Features&colon;&ast;100&percnt; brand new and high quality&ast;Help prevent accidentally damaging your vehicle &lpar;and other vehicles&rpar; while reversing&ast;Make it possible to detect those hidden objects and accurately judge distances behind your vehicle&ast;Detect small children and low walls&ast;Double CPU&ast;4 Sensor system for enhanced coverage and detection&ast;Self-test function&ast;Voice indictor and three color LED display&ast;Distance display on LED Monitor